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token.go
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token.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the
* License at
*
* https://opensource.org/licenses/Apache-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package localtrust
import (
"encoding/base64"
"encoding/json"
"k8s.io/apiserver/pkg/authentication/user"
"tkestack.io/tke/pkg/util/log"
)
// User defines the user info.
type User struct {
Name string `json:"name"`
UID string `json:"uid"`
Groups []string `json:"groups"`
Extra map[string][]string `json:"extra"`
}
// GenerateToken to generate token for local trust authenticator.
func GenerateToken(info user.Info) (string, error) {
u := User{
Name: info.GetName(),
UID: info.GetUID(),
Groups: info.GetGroups(),
Extra: info.GetExtra(),
}
buf, err := json.Marshal(u)
if err != nil {
log.Error("Failed to marshal user info", log.Any("user", info), log.Err(err))
return "", err
}
return base64.StdEncoding.EncodeToString(buf), nil
}
func decodeToken(token string) (user.Info, error) {
buf, err := base64.StdEncoding.DecodeString(token)
if err != nil {
return nil, err
}
var u User
if err := json.Unmarshal(buf, &u); err != nil {
return nil, err
}
return &user.DefaultInfo{
Name: u.Name,
UID: u.UID,
Groups: u.Groups,
Extra: u.Extra,
}, nil
}